Arnica Seed

Arnica chamissonis


Arnica chamissonis

Creeping alpine herbaceous perennial native to the American Mountain West.  Traditional usage (TWM): German Commission E has determined that this Meadow Arnica is interchangeable with Arnica montana for its anti-inflammatory effects.  Arnica chamissonis is less elevation dependent than Arnica montana, and yields well from multiple flower stalks.  Planted in loose, acidic loam soil, and given a sunny and moist position, this plant will make a carpet of live roots within a couple of years.


Care Information


20-60 days at 65-75°F

Days to Maturity

90 Days


Stratification: Soak for four hours, then cold moist stratify for 8 weeks before starting. Seeds require light to germinate, press into soil, do not cover.
Transplant – Sow 4-6 weeks before last frost. Barely cover the seed. Bottom water or mist to avoid covering the seed with displaced soil. Transplant to cell packs or larger containers when the seedlings have the second set of true leaves. Harden off and transplant outside after the danger of frost has passed.
Direct seed – Sow after last frost. Cover seed lightly with soil. Broadcast seeding is not recommended. Keep moist. Thin to desired spacing.

Soil Requirements

Moist, acidic and loamy well drained soil

Light Preference

Prefers Full Sun (6 hours of direct light or more)

Plant Spacing

Begin with 6″ and allow to spread

Hardiness Zones

Zones 4 – 10


Medicinal: Harvest the blossoms when they are first beginning to open every three to four days.


Arnica is used topically for a wide range of conditions, including bruises, sprains, muscle aches, wound healing, superficial phlebitis, joint pain, inflammation from insect bites, and swelling from broken bones. More recent studies suggest it may also be helpful in the treatment of burns.
For more information on this herb, explore our farm library

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